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Timken® Self-Aligning Tapered Roller Bearing Mounted Bearings are designed for applications from aggregate and steel to mining and power generation. The heavy duty housing and cartridge are made from cast steel to stand up to the harshest conditions, and are designed to accept +/-4 degrees of misalignment.. Metric sizes also are available in shaft diameters ranging from 35 mm to 115 mm.

Open and Closed end covers available for purchase.
Type-ESA-Flange-4-Bolt-Bearing
Type ESA Flange-4Bolt 2
Unit of Measure
1 2 3 4 

Part Number

Shaft Size

Shaft Size Type

Dimension L 

Dimension A 

Dimension J 

C90 Dynamic Load Rating

Max. Speed

Lubrication

CAD

ESA-4BF-TRB-1 3/16 N/A 1 3/16 in N/A Imperial N/A 4 in N/A 2 5/16 in N/A 2 7/8 in N/A 3810 lbf N/A 4490 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 3/16E N/A 1 3/16 in N/A Imperial N/A 4 in N/A 2 5/16 in N/A 2 7/8 in N/A 3810 lbf N/A 4490 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 1/4 N/A 1 1/4 in N/A Imperial N/A 4 in N/A 2 5/16 in N/A 2 7/8 in N/A 3810 lbf N/A 4490 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 1/4E N/A 1 1/4 in N/A Imperial N/A 4 in N/A 2 5/16 in N/A 2 7/8 in N/A 3810 lbf N/A 4490 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 3/8 N/A 1 3/8 in N/A Imperial N/A 4 5/8 in N/A 2 9/16 in N/A 3 1/2 in N/A 6100 lbf N/A 3820 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 3/8E N/A 1 3/8 in N/A Imperial N/A 4 5/8 in N/A 2 9/16 in N/A 3 1/2 in N/A 6100 lbf N/A 3820 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-35MM N/A N/A Metric N/A 4 5/8 in N/A 2 9/16 in N/A 3 1/2 in N/A 6100 lbf N/A 3820 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-35MME N/A N/A Metric N/A 4 5/8 in N/A 2 9/16 in N/A 3 1/2 in N/A 6100 lbf N/A 3820 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 7/16 N/A 1 7/16 in N/A Imperial N/A 4 5/8 in N/A 2 9/16 in N/A 3 1/2 in N/A 6100 lbf N/A 3820 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 7/16E N/A 1 7/16 in N/A Imperial N/A 4 5/8 in N/A 2 9/16 in N/A 3 1/2 in N/A 6100 lbf N/A 3820 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 1/2 N/A 1 1/2 in N/A Imperial N/A 5 3/8 in N/A 2 15/16 in N/A 4 1/8 in N/A 7860 lbf N/A 3320 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 1/2E N/A 1 1/2 in N/A Imperial N/A 5 3/8 in N/A 2 15/16 in N/A 4 1/8 in N/A 7860 lbf N/A 3320 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-40MM N/A N/A Metric N/A 5 3/8 in N/A 2 15/16 in N/A 4 1/8 in N/A 7860 lbf N/A 3320 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-40MME N/A N/A Metric N/A 5 3/8 in N/A 2 15/16 in N/A 4 1/8 in N/A 7860 lbf N/A 3320 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 5/8 N/A 1 5/8 in N/A Imperial N/A 5 3/8 in N/A 2 15/16 in N/A 4 1/8 in N/A 7860 lbf N/A 3320 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 5/8E N/A 1 5/8 in N/A Imperial N/A 5 3/8 in N/A 2 15/16 in N/A 4 1/8 in N/A 7860 lbf N/A 3320 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 11/16 N/A 1 11/16 in N/A Imperial N/A 5 3/8 in N/A 2 15/16 in N/A 4 1/8 in N/A 7860 lbf N/A 3320 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 11/16E N/A 1 11/16 in N/A Imperial N/A 5 3/8 in N/A 2 15/16 in N/A 4 1/8 in N/A 7860 lbf N/A 3320 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 3/4 N/A 1 3/4 in N/A Imperial N/A 5 5/8 in N/A 3 1/16 in N/A 4 3/8 in N/A 10300 lbf N/A 3050 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 3/4E N/A 1 3/4 in N/A Imperial N/A 5 5/8 in N/A 3 1/16 in N/A 4 3/8 in N/A 10300 lbf N/A 3050 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-45MM N/A N/A Metric N/A 5 5/8 in N/A 3 1/16 in N/A 4 3/8 in N/A 10300 lbf N/A 3050 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-45MME N/A N/A Metric N/A 5 5/8 in N/A 3 1/16 in N/A 4 3/8 in N/A 10300 lbf N/A 3050 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 7/8 N/A 1 7/8 in N/A Imperial N/A 5 5/8 in N/A 3 1/16 in N/A 4 3/8 in N/A 10300 lbf N/A 3050 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 7/8E N/A 1 7/8 in N/A Imperial N/A 5 5/8 in N/A 3 1/16 in N/A 4 3/8 in N/A 10300 lbf N/A 3050 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-4BF-TRB-1 15/16 N/A 1 15/16 in N/A Imperial N/A 5 5/8 in N/A 3 1/16 in N/A 4 3/8 in N/A 10300 lbf N/A 3050 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
Unit of Measure
1 2 3 4